Four aerodynamic misconceptions - from equal transit time to fixed stall speeds - remain dangerous for experienced pilots who stopped learning after their checkride.
The four left-turning tendencies in single-engine propeller aircraft - torque, P-factor, spiraling slipstream, and gyroscopic precession - all peak simultaneously during takeoff and climb, and all require the same fix.
A pilot's guide to the four main flap designs - plain, split, slotted, and Fowler - and how each one shapes approach behavior, pitch characteristics, and go-around procedures.